/* roulang page: index */
:root {
      --primary: #00D084;
      --primary-hover: #00B371;
      --secondary: #08BDBA;
      --dark-lead: #1E293B;
      --dark-bg: #0B0F19;
      --gold-main: #F59E0B;
      --gold-dark: #D97706;
      --light-bg: #F8FAFC;
      --border-color: rgba(255, 255, 255, 0.12);
      --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
    }
    body {
      background-color: var(--dark-bg);
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .gold-gradient-text {
      background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 50%, #D97706 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .emerald-gradient-text {
      background: linear-gradient(135deg, #A7F3D0 0%, #00D084 60%, #08BDBA 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .black-gold-card {
      background: linear-gradient(180deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.95) 100%);
      border: 1px solid rgba(245, 158, 11, 0.2);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
      backdrop-filter: blur(8px);
    }
    .black-gold-card:hover {
      border-color: rgba(0, 208, 132, 0.6);
      transform: translateY(-4px);
    }
    .gold-border-glow {
      border: 1px solid rgba(245, 158, 11, 0.4);
      box-shadow: 0 0 25px rgba(245, 158, 11, 0.15);
    }
    .emerald-border-glow {
      border: 1px solid rgba(0, 208, 132, 0.4);
      box-shadow: 0 0 25px rgba(0, 208, 132, 0.15);
    }
    .btn-gold {
      background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
      color: #0F172A;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-gold:hover {
      background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
      box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
      transform: translateY(-2px);
    }
    .btn-emerald {
      background: linear-gradient(135deg, #00D084 0%, #08BDBA 100%);
      color: #0B0F19;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-emerald:hover {
      background: linear-gradient(135deg, #34D399 0%, #00D084 100%);
      box-shadow: 0 0 20px rgba(0, 208, 132, 0.4);
      transform: translateY(-2px);
    }